9965636 has 12 divisors (see below), whose sum is σ = 17465280. Its totient is φ = 4975560.

The previous prime is 9965611. The next prime is 9965651. The reversal of 9965636 is 6365699.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2321 + ... + 5031.

It is an arithmetic number, because the mean of its divisors is an integer number (1455440).

Almost surely, 2^9965636 is an apocalyptic number.

It is an amenable number.

9965636 is a deficient number, since it is larger than the sum of its proper divisors (7499644).

9965636 is a wasteful number, since it uses less digits than its factorization.

9965636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3634 (or 3632 counting only the distinct ones).

The product of its digits is 262440, while the sum is 44.

The square root of 9965636 is about 3156.8395587993. The cubic root of 9965636 is about 215.1964024679.

It can be divided in two parts, 9965 and 636, that added together give a palindrome (10601).

The spelling of 9965636 in words is "nine million, nine hundred sixty-five thousand, six hundred thirty-six".